Add a section on security considerations - slock - simple X display locker utility
 (HTM) git clone git://git.suckless.org/slock
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       ---
 (DIR) commit bd069b08c5fe4fea3c78f6991a849b19ed40cbe0
 (DIR) parent 2d85c5baed4c4b4ecc19f7934fac1fc6a5b5c410
 (HTM) Author: FRIGN <dev@frign.de>
       Date:   Wed, 28 Sep 2016 20:20:51 +0200
       
       Add a section on security considerations
       
       The section on security considerations sheds some light on the problems that we
       can't solve within slock but which the user has to solve in his X configuration.
       
       Diffstat:
         M slock.1                             |      12 ++++++++++++
       
       1 file changed, 12 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/slock.1 b/slock.1
       @@ -17,6 +17,18 @@ is executed after the screen has been locked.
        .It Fl v
        Print version information to stdout and exit.
        .El
       +.Sh SECURITY CONSIDERATIONS
       +To make sure a locked screen can not be bypassed by switching VTs
       +or killing the X server with Ctrl+Alt+Backspace, it is recommended
       +to disable both in
       +.Xr xorg.conf 5
       +for maximum security:
       +.Bd -literal -offset left
       +Section "ServerFlags"
       +        Option "DontVTSwitch" "True"
       +        Option "DontZap"      "True"
       +EndSection
       +.Ed
        .Sh EXAMPLES
        $
        .Nm